WO2009140694A3 - Green synthesis of nanometals using plant extracts and use thereof - Google Patents

Green synthesis of nanometals using plant extracts and use thereof Download PDF

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Publication number
WO2009140694A3
WO2009140694A3 PCT/US2009/044402 US2009044402W WO2009140694A3 WO 2009140694 A3 WO2009140694 A3 WO 2009140694A3 US 2009044402 W US2009044402 W US 2009044402W WO 2009140694 A3 WO2009140694 A3 WO 2009140694A3
Authority
WO
WIPO (PCT)
Prior art keywords
plant extracts
metal nanoparticles
nanometals
green synthesis
nanoparticles formed
Prior art date
Application number
PCT/US2009/044402
Other languages
French (fr)
Other versions
WO2009140694A2 (en
Inventor
George E. Hoag
John B. Collins
Rajender S. Varma
Mallikarjuna Nadagouda
Original Assignee
Verutek Technologies, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Verutek Technologies, Inc. filed Critical Verutek Technologies, Inc.
Priority to AU2009246081A priority Critical patent/AU2009246081B2/en
Priority to CN2009801278384A priority patent/CN102202815A/en
Priority to EP09747775A priority patent/EP2315639A2/en
Priority to BRPI0912691A priority patent/BRPI0912691A2/en
Priority to CA2728987A priority patent/CA2728987C/en
Priority to US12/667,384 priority patent/US8057682B2/en
Publication of WO2009140694A2 publication Critical patent/WO2009140694A2/en
Publication of WO2009140694A3 publication Critical patent/WO2009140694A3/en
Priority to US13/291,448 priority patent/US20120055873A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/054—Nanosized particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/05—Metallic powder characterised by the size or surface area of the particles
    • B22F1/054—Nanosized particles
    • B22F1/056—Submicron particles having a size above 100 nm up to 300 nm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites

Abstract

The present invention relates to methods of making and using and compositions of metal nanoparticles formed by green chemistry synthetic techniques. For example, the present invention relates to metal nanoparticles formed with solutions of plant extracts and use of these metal nanoparticles in removing contaminants from soil and groundwater and other contaminated sites. In some embodiments, the invention comprises methods of making and using compositions of metal nanoparticles formed using green chemistry techniques.
PCT/US2009/044402 2008-05-16 2009-05-18 Green synthesis of nanometals using plant extracts and use thereof WO2009140694A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AU2009246081A AU2009246081B2 (en) 2008-05-16 2009-05-18 Green synthesis of nanometals using plant extracts and use thereof
CN2009801278384A CN102202815A (en) 2008-05-16 2009-05-18 Green synthesis of nanometals using plant extracts and use thereof
EP09747775A EP2315639A2 (en) 2008-05-16 2009-05-18 Green synthesis of nanometals using plant extracts and use thereof
BRPI0912691A BRPI0912691A2 (en) 2008-05-16 2009-05-18 green synthesis of nanometals using plant extract and their use
CA2728987A CA2728987C (en) 2008-05-16 2009-05-18 Green synthesis of nanometals using plant extracts and use thereof
US12/667,384 US8057682B2 (en) 2008-05-16 2009-05-18 Green synthesis of nanometals using plant extracts and use thereof
US13/291,448 US20120055873A1 (en) 2008-05-16 2011-11-08 Green synthesis of nanometals using plant extracts and use thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7178508P 2008-05-16 2008-05-16
US61/071,785 2008-05-16

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US12/667,384 A-371-Of-International US8057682B2 (en) 2008-05-16 2009-05-18 Green synthesis of nanometals using plant extracts and use thereof
US13/291,448 Continuation US20120055873A1 (en) 2008-05-16 2011-11-08 Green synthesis of nanometals using plant extracts and use thereof

Publications (2)

Publication Number Publication Date
WO2009140694A2 WO2009140694A2 (en) 2009-11-19
WO2009140694A3 true WO2009140694A3 (en) 2010-06-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2009/044402 WO2009140694A2 (en) 2008-05-16 2009-05-18 Green synthesis of nanometals using plant extracts and use thereof

Country Status (8)

Country Link
US (2) US8057682B2 (en)
EP (1) EP2315639A2 (en)
CN (1) CN102202815A (en)
AU (1) AU2009246081B2 (en)
BR (1) BRPI0912691A2 (en)
CA (1) CA2728987C (en)
CR (1) CR11845A (en)
WO (1) WO2009140694A2 (en)

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